/**
 * electron-builder afterPack：若缺少 browser_v8_context_snapshot.bin，
 * 则从 v8_context_snapshot.bin 复制一份，避免「缺少v8 startup snapshot文件」报错。
 */
const path = require('path')
const fs = require('fs')

function tryCopySnapshot(dir) {
  const v8 = path.join(dir, 'v8_context_snapshot.bin')
  const browser = path.join(dir, 'browser_v8_context_snapshot.bin')
  if (fs.existsSync(v8) && !fs.existsSync(browser)) {
    fs.copyFileSync(v8, browser)
    console.log('[afterPack] 已复制 v8_context_snapshot.bin -> browser_v8_context_snapshot.bin')
    return true
  }
  return false
}

module.exports = async function afterPack(context) {
  if (context.electronPlatformName !== 'win32') return

  const resourcesDir = path.join(context.appOutDir, 'resources')
  tryCopySnapshot(resourcesDir) || tryCopySnapshot(context.appOutDir)
}